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Related to vespertinal: ruminates
ves·per·tine(vĕs′pər-tīn′) also ves·per·ti·nal (vĕs′pər-tī′nəl)
1. Of, relating to, or occurring in the evening.
2. Botany Opening or blooming in the evening.
3. Zoology Active in the evening.
[Latin vespertīnus, from vesper, evening; see vesper.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.